Home / 235,531.42-352,852.09-139,181.23

Finding the Fourth Proportional to 235,531.42, 352,852.09 and 139,181.23

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Solution

The fourth proportional to 235,531.42, 352,852.09 and 139,181.23 is: 208,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,531.42 : 352,852.09 = 139,181.23 : x
  2. Step 2: Convert to fraction form
    235,531.42/352,852.09 = 139,181.23/x
  3. Step 3: Cross multiply
    235,531.42x = 352,852.09 × 139,181.23
  4. Step 4: Simplify right side
    235,531.42x = 49,110,387,894.27
  5. Step 5: Solve for x
    x = 49,110,387,894.27/235,531.42
  6. Step 6: Final answer
    x = 208,508.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.